Autor: Drozd, K. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Lethal accidents in storage equipment: a report of two cases
Autorzy:: Jurek, T
Szleszkowski, L.
Maksymowicz, K.
Wachel, K.
Drozd, R.
Powiązania:: https://bibliotekanauki.pl/articles/49952.pdf
Data publikacji:: 2009
Wydawca:: Instytut Medycyny Wsi
Tematy:: storage equipment
lethal accident
accident
work
asphyxia
silos
work safety
respiratory tract obstruction
worker protection
Źródło:: Annals of Agricultural and Environmental Medicine; 2009, 16, 1; 169-172
1232-1966
Pojawia się w:: Annals of Agricultural and Environmental Medicine
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Investigation of mixing time in liquid under influence of rotating magnetic field
Autorzy:: Przybył, A.
Rakoczy, R.
Konopacki, M.
Kordas, K.
Drozd, R.
Fijałkowski, K.
Powiązania:: https://bibliotekanauki.pl/articles/185725.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: rotating magnetic field
mixing time
hydrodynamics
mixing effect
obracanie pola magnetycznego
czas mieszania
hydrodynamika
efekt mieszania
Opis:: The aim of the study was to present an experimental investigation of the influence of the RMF on mixing time. The obtained results suggest that the homogenization time for the tested experimental set-up depending on the frequency of the RMF can be worked out by means of the relationship between the dimensionless mixing time number and the Reynolds number. It was shown that the magnetic field can be applied successfully to mixing liquids.
Źródło:: Chemical and Process Engineering; 2017, 38, 4; 555-565
0208-6425
2300-1925
Pojawia się w:: Chemical and Process Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Effect of Gluconacetobacter xylinus cultivation conditions on the selected properties of bacterial cellulose
Autorzy:: Fijałkowski, K.
Żywicka, A.
Drozd, R.
Kordas, M.
Rakoczy, R.
Powiązania:: https://bibliotekanauki.pl/articles/778981.pdf
Data publikacji:: 2016
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: bacterial cellulose
bacterial culture
cultivation time
culture conditions
Gluconacetobacter xylinus
Opis:: The aim of the study was to analyze the changes in the parameters of bacterial cultures and bacterial cellulose (BC) synthesized by four reference strains of Gluconacetobacter xylinus during 31-day cultivation in stationary conditions. The study showed that the most visible changes in the analyzed parameters of BC, regardless of the bacterial strain used for their synthesis, were observed in the first 10–14 days of the experiment. It was also revealed, that among parameters showing dependence associated with the particular bacterial strain were the rate and period of BC synthesis, the growth rate of bacteria anchored to the cellulose fibrils, the capacity to absorb water and the water release rate. The results presented in this work may be useful in the selection of optimum culturing conditions and period from the point of view of good efficiency of the cellulose synthesis process.
Źródło:: Polish Journal of Chemical Technology; 2016, 18, 4; 117-123
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Biochemical and cellular properties of Gluconacetobacter xylinus cultures exposed to different modes of rotating magnetic field
Autorzy:: Fijałkowski, K.
Drozd, R.
Żywicka, A.
Junka, A. F.
Kordas, M.
Rakoczy, R.
Powiązania:: https://bibliotekanauki.pl/articles/779565.pdf
Data publikacji:: 2017
Wydawca:: Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:: bacterial cellulose
bioprocess
Gluconacetobacter xylinus
rotating magnetic field
optimization
Opis:: The aim of the present study was to evaluate the impact of a rotating magnetic field (RMF) on cellular and biochemical properties of Gluconacetobacter xylinus during the process of cellulose synthesis by these bacteria. The application of the RMF during bacterial cellulose (BC) production intensified the biochemical processes in G. xylinus as compared to the RMF-unexposed cultures. Moreover, the RMF had a positive impact on the growth of cellulose-producing bacteria. Furthermore, the application of RMF did not increase the number of mutants unable to produce cellulose. In terms of BC production effi cacy, the most favorable properties were found in the setting where RMF generator was switched off for the fi rst 72 h of cultivation and switched on for the further 72 h. The results obtained can be used in subsequent studies concerning the optimization of BC production using different types of magnetic fields including RMF, especially.
Źródło:: Polish Journal of Chemical Technology; 2017, 19, 2; 107-114
1509-8117
1899-4741
Pojawia się w:: Polish Journal of Chemical Technology
Dostawca treści:: Biblioteka Nauki

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